Home / 290,764,658.13-436,150,786.16-96,676,073.31

Finding the Fourth Proportional to 290,764,658.13, 436,150,786.16 and 96,676,073.31

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Solution

The fourth proportional to 290,764,658.13, 436,150,786.16 and 96,676,073.31 is: 145,015,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,764,658.13 : 436,150,786.16 = 96,676,073.31 : x
  2. Step 2: Convert to fraction form
    290,764,658.13/436,150,786.16 = 96,676,073.31/x
  3. Step 3: Cross multiply
    290,764,658.13x = 436,150,786.16 × 96,676,073.31
  4. Step 4: Simplify right side
    290,764,658.13x = 42,165,345,374,837,544
  5. Step 5: Solve for x
    x = 42,165,345,374,837,544/290,764,658.13
  6. Step 6: Final answer
    x = 145,015,373.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.